Intestinal Polyps and Neoplasia

Question 1

Benign (non neoplastic) polyps

Answer 1

• hyperplastic polyp
• inflammatory polyp
• hamartomatous polyps
• juvenile polyposis
• Peutz-Jeghers Syndrome
• Lymphoid aggregates
• lipomas
• leiomyomas

Question 2

Premalignant Polyps

Answer 2

•adenomas

• familial adenomatous polyposis (FAP)
• Lynch Syndrome

*actually is cancer, precursor lesion is adenoma

• sessile serrated adenoma
• well differentiated neuroendocrine tumors (carcinoid tumors)

-malignant or benign

Question 3

Adenocarcinoma

Answer 3

• most common GI tract malignancy
• duodenum